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21
POSSIBLE REASONS AND TROUBLESHOOTING
Problem
Possible reasons
Troubleshooting
When switching on the
ventilator the fan does not
start.
No power supply.
Make sure the power supply line is connected correctly,
otherwise troubleshoot the connection error.
The motor is jammed, the impeller blades are clogged.
Turn the ventilator off. Troubleshoot the motor jam and
the impeller clogging. Clean the blades. Restart the
ventilator.
Circuit breaker tripping during
the ventilator start-up.
Overcurrent as a result of short circuit in the electric
circuit.
Turn the ventilator off.
Contact the Seller for further information.
Low air flow.
Low set fan speed.
Set higher speed.
The filters, the fan or the regenerator are clogged.
Clean or replace the filters. Clean the fan and the
regenerator.
The ventilator generates
sound signals.
The filter timer is actuated.
Refer to the Technical maintenance section, clause 2.
Noise, vibration.
The impeller is clogged.
Clean the impeller.
Loose screw connection of the ventilator casing or the
ventilation hood.
Tighten the screws of the ventilator or the outer
ventilation hood.
TROUBLESHOOTING
STORAGE AND TRANSPORTATION REGULATIONS
Store the unit in the manufacturer’s original packing box in a dry closed ventilated premise with temperature range from +5 °C (+ 41 ˚F) to + 40 °C
(104 ˚F).
Storage environment must not contain aggressive vapours and chemical mixtures provoking corrosion, insulation and sealing deformation.
Use suitable hoist machinery for handling and storage operations to prevent possible damage to the unit.
Follow the handling requirements applicable for the particular type of cargo.
The unit can be carried in the original packing by any mode of transport provided proper protection against precipitation and mechanical damage.
Avoid sharp blows, scratches or rough handling during loading and unloading.
Summary of Contents for TwinFresh Comfo RA-35
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